thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `2`,
 right: `4`', $DIR/test-panic-abort-nocapture.rs:33:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `2`,
 right: `4`', $DIR/test-panic-abort-nocapture.rs:27:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
testing321